Re: Make Table/Index Analyse Run Faster

Is this limited to Oracle 8.X? I'm running 7.3.4 under OpenVMS and this looks like a winner.

In article <83nmdsca858mqqa5l91ks209k08m3bsrui_at_4ax.com>, toneczar_at_erols.com wrote:
> On Fri, 24 Mar 2000 09:11:14 GMT, nsouto_at_nsw.bigpond.net.au.nospam
> (Nuno Souto) wrote:
>
> >On Fri, 24 Mar 2000 10:02:50 -0800, "Rob Risetto"
> ><robr_at_powerup.com.au> wrote:
> >
> >>I'm migrating a PeopleSoft db from v7... to v8.0.6 and would like to
 cut
> >>down the time for the table/index analyse. One option would be to
 break up
> >>the individual analyse statements into separate files and run them
> >>simultaneously. Are there any gotchas with this approach - system
 table
> >>locks etc. Any other tips or techniques.
 

> >There is an undocumented PL/SQL procedure that will do the fastest
> >analyze I've ever seen. Does it using parallel techniques, at least
 in
> >UNIX. Havne't used it in a while. Last time I looked it was called
> >"analyze_schema" and it lived inside dbms_util. Look in your
> >rdbms/admin directory and do a search (grep?) for "analyze" in all
 the
> >.sql files there. Doco on how to use it is in the source package.
> >
> >It is very,very fast. But I suppose a custom, separate-files process
> >could eventually beat it.
>
> The usage is easy.
>
> exec dbms_utility.analyze_schema('SCHEMA_NAME', 'ANALYSIS_TYPE');
>
> where SCHEMA_NAME is the name of your schema, and ANALYSIS_TYPE is the
> type of analyze you want - ESTIMATE, COMPUTE, etc.
>
> There may be other options as well - those are the ones I use.
>
> Chris
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Christopher Hamilton
> Oracle DBA -- Sandbox.com
> chamilton_at_sandbox-inc.com
> http://www.sandbox.com/
>

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